Communications: electrical – Audible indication – Electronic
Reexamination Certificate
2006-11-09
2009-10-20
Nguyen, Tai T (Department: 2612)
Communications: electrical
Audible indication
Electronic
C340S692000, C340S577000, C340S632000, C340S628000, C340S629000, C340S521000, C340S533000
Reexamination Certificate
active
07605687
ABSTRACT:
An ambient condition detector outputs an alarm comprising a tonal pattern comprising at least two distinctly different pitch tones in one embodiment of the invention. Another embodiment comprises a detector whereby a user can select a pitch tone to be output within a tonal pattern alarm when the detector senses an ambient condition. Options include verbal output to indicate the type of ambient condition sensed and/or the location of the detector sensing the ambient condition.
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Morris Gary J.
Nguyen Tai T
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